Weekly natural gas cash prices powered upward, supporting the futures market in the process, amid bouts of chilly air and production interruptions in the prolific Permian Basin.

NGI’s Weekly Spot Gas National Avg. for the Oct. 2-6 period jumped 25.5 cents to $2.405/MMBtu.

At the close of the cash market trading week, big gainers included SoCal Citygate, up $2.785 to $6.435; El Paso S. Mainline/N. Baja in the Southwest, ahead 75.5 cents to $3.015; and Waha in West Texas, up 32.5 cents to $2.125.

The November Nymex contract, meanwhile, advanced alongside the mounting momentum in physical markets. The prompt month settled at $3.338 to finish trading on Friday, up 17.2 cents on the day and up 14% from the prior week’s finish.  

Wood Mackenzie estimates during the week showed...